Patents by Inventor Souichi Matsushita
Souichi Matsushita has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6974093Abstract: A fuel injection device has an actuator, and a displacement amplification chamber for amplifying the amount of displacement of the actuator. The displacement amplification chamber is connected to a fuel passage via a replenishment fuel passage that has a check valve that allows a fuel to flow only toward the displacement amplification chamber. A throttle portion is formed in the replenishment fuel passage.Type: GrantFiled: July 29, 2003Date of Patent: December 13, 2005Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takafumi Yamada, Souichi Matsushita
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Publication number: 20040050954Abstract: A fuel injection device has an actuator, and a displacement amplification chamber for amplifying the amount of displacement of the actuator. The displacement amplification chamber is connected to a fuel passage via a replenishment fuel passage that has a check valve that allows a fuel to flow only toward the displacement amplification chamber. A throttle portion is formed in the replenishment fuel passage.Type: ApplicationFiled: July 29, 2003Publication date: March 18, 2004Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takafumi Yamada, Souichi Matsushita
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Patent number: 6694050Abstract: To reliably and simply prevent the output of specified image data, a unit to detect a pattern is installed in one of the devices in a system consisting of an image scanner 1, control device 2 (a personal computer) and printer 3 which are connected consecutively. This pattern detection unit contains a unit which detects a specified pattern from the mass of image data representing a document. Once this pattern has been found, either the subsequent image data are altered before being output or output of the image data is interrupted. When the system starts up, the control unit for each device checks whether that device, or one of the other devices in the system, has a pattern detection unit as described above. If it determines that no device has such a unit, it halts operation.Type: GrantFiled: March 22, 2001Date of Patent: February 17, 2004Assignee: Omron CorporationInventors: Junji Hiraishi, Tetsuya Miwa, Hitoshi Nakamura, Kiyoshi Imai, Kouichi Ohmae, Shinya Sonoda, Souichi Matsushita, Minoru Inada
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Patent number: 6619035Abstract: A NOx catalyst in the exhaust passage of an internal combustion engine is capable of lean burn and adapted to release and reduce absorbed NOx by a reducing agent. Reducing agent supplier is provided in the exhaust passage on the upstream side of the NOx catalyst. A load detector detects the load of an internal combustion engine. Reducing agent addition controller controls the reducing agent addition period and the reducing agent addition interval based on the load of the internal combustion engine, whereby sufficient reducing agent is supplied to the NOx catalyst side independently of the operating condition.Type: GrantFiled: March 15, 2002Date of Patent: September 16, 2003Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Matsuoka, Souichi Matsushita, Yukihiro Tsukasaki, Kotaro Hayashi, Shinobu Ishiyama, Yasuhiro Ohtsubo, Naofumi Magarida, Masaaki Kobayashi, Daisuke Shibata, Akihiro Negami, Tomihisa Oda, Yasuo Harada, Tomoyuki Ono
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Patent number: 6615794Abstract: A direct cylinder injection-type spark ignition internal combustion engine is disclosed. The engine comprises a spark plug, a cavity formed in the top surface of a piston, and a fuel injection valve for injecting fuel into the cavity in nearly the shape of a fan having a relatively small thickness. When the fuel injected in nearly the shape of a fan from the fuel injection valve is considered by being divided into a plurality of fuel segments in a radial direction, a side wall of the cavity has a first fuel deflection passage 82a and a second fuel deflection passage 82b for so deflecting at least two of the plurality of fuel segments as to pass near the spark plug. The side wall of the cavity is at least partly provided with a return portion 83 that protrudes toward the inside of the cavity.Type: GrantFiled: October 30, 2002Date of Patent: September 9, 2003Assignee: Toyota Jidosha Kabushiki KaishaInventors: Toyokazu Baika, Tatsuo Kobayashi, Fumiaki Hattori, Takashi Hashima, Hiroyuki Hokuto, Toshimi Kashiwagura, Mutsumi Kanda, Hiroya Tanaka, Souichi Matsushita, Shizuo Abe, Nobuyuki Muramatsu
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Publication number: 20030051702Abstract: A direct cylinder injection-type spark ignition internal combustion engine is disclosed. The engine comprises a spark plug, a cavity formed in the top surface of a piston, and a fuel injection valve for injecting fuel into the cavity in nearly the shape of a fan having a relatively small thickness. When the fuel injected in nearly the shape of a fan from the fuel injection valve is considered by being divided into a plurality of fuel segments in a radial direction, a side wall of the cavity has a first fuel deflection passage 82a and a second fuel deflection passage 82b for so deflecting at least two of the plurality of fuel segments as to pass near the spark plug. The side wall of the cavity is at least partly provided with a return portion 83 that protrudes toward the inside of the cavity.Type: ApplicationFiled: October 30, 2002Publication date: March 20, 2003Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toyokazu Baika, Tatsuo Kobayashi, Fumiaki Hattori, Takashi Hashima, Hiroyuki Hokuto, Toshimi Kashiwagura, Mutsumi Kanda, Hiroya Tanaka, Souichi Matsushita, Shizuo Abe, Nobuyuki Muramatsu
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Publication number: 20020148219Abstract: The present invention is provided with an NOx catalyst 17 provided in the exhaust passage of an internal combustion engine capable of lean burn and adapted to release and reduce absorbed NOx by a reducing agent, a reducing agent supplying means 19 provided in the exhaust passage on the upstream side of the NOx catalyst 17, a load detecting means for detecting the load of an internal combustion engine 1, and a reducing agent addition control means for controlling the reducing agent addition period and the reducing agent addition interval on the basis of the load of the internal combustion engine 1. The addition period and the addition interval for the reducing agent are controlled taking into account, for example, the degree to which reducing agent adheres to the wall surface in the exhaust passage depending on the velocity, temperature, etc.Type: ApplicationFiled: March 15, 2002Publication date: October 17, 2002Inventors: Hiroki Matsuoka, Souichi Matsushita, Yukihiro Tsukasaki, Kotaro Hayashi, Shinobu Hshiyama, Yasuhiro Ohtsubo, Naofumi Magarida, Masaaki Kobayashi, Daisuke Shibata, Akihiro Negami, Tomihisa Oda, Yasuo Harada, Tomoyuki Ono
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Publication number: 20010009591Abstract: To reliably and simply prevent the output of specified image data, a unit to detect a pattern is installed in one of the devices in a system consisting of an image scanner 1, control device 2 (a personal computer) and printer 3 which are connected consecutively. This pattern detection unit contains a unit which detects a specified pattern from the mass of image data representing a document. Once this pattern has been found, either the subsequent image data are altered before being output or output of the image data is interrupted. When the system starts up, the control unit for each device checks whether that device, or one of the other devices in the system, has a pattern detection unit as described above. If it determines that no device has such a unit, it halts operation.Type: ApplicationFiled: March 22, 2001Publication date: July 26, 2001Inventors: Junji Hiraishi, Tetsuya Miwa, Hitoshi Nakamura, Kiyoshi Imai, Kouichi Ohmae, Shinya Sonoda, Souichi Matsushita, Minoru Inada
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Patent number: 6229914Abstract: To reliably and simply prevent the output of specified image data, a unit to detect a pattern is installed in one of the devices in a system consisting of an image scanner 1, control device 2 (a personal computer) and printer 3 which are connected consecutively. This pattern detection unit contains a unit which detects a specified pattern from the mass of image data representing a document. Once this pattern has been found, either the subsequent image data are altered before being output or output of the image data is interrupted. When the system starts up, the control unit for each device checks whether that device, or one of the other devices in the system, has a pattern detection unit as described above. If it determines that no device has such a unit, it halts operation.Type: GrantFiled: March 6, 2000Date of Patent: May 8, 2001Assignee: Omron CorporationInventors: Junji Hiraishi, Tetsuya Miwa, Hitoshi Nakamura, Kiyoshi Imai, Kouichi Ohmae, Shinya Sonoda, Souichi Matsushita, Minoru Inada
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Patent number: 6095116Abstract: An improved apparatus controls negative pressure in a combustion engine. The apparatus has a brake booster that is capable of increasing braking force of a vehicle by means of the negative pressure in the brake booster. A valve disposed in an air intake pressure generates the negative pressure that is supplied to the brake booster. An electric control unit controls the valve when pressure in the brake booster is in excess of a predetermined magnitude.Type: GrantFiled: June 24, 1997Date of Patent: August 1, 2000Assignee: Toyota Jidosha Kabushiki KaishaInventors: Souichi Matsushita, Mitsuru Takada, Yukio Yoshioka, Jun Harada
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Patent number: 6052479Abstract: To reliably and simply prevent the output of specified image data, a unit to detect a pattern is installed in one of the devices in a system consisting of an image scanner 1, control device 2 (a personal computer) and printer 3 which are connected consecutively. This pattern detection unit contains a unit which detects a specified pattern from the mass of image data representing a document. Once this pattern has been found, either the subsequent image data are altered before being output or output of the image data is interrupted. When the system starts up, the control unit for each device checks whether that device, or one of the other devices in the system, has a pattern detection unit as described above. If it determines that no device has such a unit, it halts operation.Type: GrantFiled: July 1, 1996Date of Patent: April 18, 2000Assignee: Omron CorporationInventors: Junji Hiraishi, Tetsuya Miwa, Hitoshi Nakamura, Kiyoshi Imai, Kouichi Ohmae, Shinya Sonoda, Souichi Matsushita, Minoru Inada
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Patent number: 5860394Abstract: A formation of deposits on a fuel injector is suppressed by controlling the temperature of the nozzle holder of the fuel injector around the nozzle to maintain at least a part of the fuel remaining on the nozzle holder surface after the fuel injection in a liquid state, to thereby hold precursors of the deposits in the liquid fuel to permit the precursor to be blown out from the nozzle holder surface by a subsequent fuel injection flow.Type: GrantFiled: March 24, 1997Date of Patent: January 19, 1999Assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho, Denso Corporation, Nippon Soken, Inc.Inventors: Akinori Saito, Masao Kinoshita, Souichi Matsushita, Yutaka Niwa, Hitoshi Shibata
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Patent number: 5553588Abstract: A spark-ignited direct cylinder fuel injection engine is provided with a combustion chamber formed in a depression on the surface of each piston, and a direct cylinder fuel injection valve spraying a fuel mist directly in the combustion chamber. In the wall of the combustion chamber an arc-shaped first wall surface region is located on the upstream side of the combustion chamber with respect to the swirl flow direction of the intake air. Continuous with the first wall surface region, a straight second wall surface region is formed at the downstream side of the first wall surface region. An arc shaped third wall surface region is formed at the downstream side of the second wall surface region. A spark plug is positioned so that it protrudes into the depressed combustion chamber at the region near the second wall surface region when the piston is positioned at its top dead center.Type: GrantFiled: July 17, 1995Date of Patent: September 10, 1996Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takeshi Gono, Souichi Matsushita
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Patent number: 5401371Abstract: A hydrogen generator includes a water tank adapted to form a water chamber, and a water electrolysis cell disposed in the water tank. The water electrolysis cell includes a proton conductive membrane, an oxygen generator chamber side separator adapted to form an oxygen generator chamber, and a hydrogen generator chamber side separator adapted to form a hydrogen generator chamber, and a hydrogen outlet passage adapted to discharge generated hydrogen out of the hydrogen generator chamber. The oxygen generator chamber side separator includes a communicator passage adapted to communicate the oxygen generator chamber with the water chamber. The hydrogen generator obviates the manifolds of the conventional hydrogen generators in which the generated oxygen is likely to stagnate and hinder the water supply, and accordingly it can inhibit the hydrogen gas generating capability from deteriorating.Type: GrantFiled: July 14, 1993Date of Patent: March 28, 1995Assignee: Aisin Seiki Kabushiki KaishaInventors: Yujiro Oshima, Katsushi Abe, Kazuo Kawahara, Motonobu Akaki, Souichi Matsushita
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Patent number: 5331933Abstract: A control device for an internal combustion engine having a cylinder and a spark plug, the control device including a fuel feeding means for feeding fuel into the cylinder, feeding a part of an amount of fuel to be injected during an intake stroke to form an air-fuel premixture, and feeding the remaining part of the amount of fuel to be injected during a compression stroke to form an air-fuel mixture around the spark plug for ignition; a torque fluctuation detecting means for detecting an amount of torque fluctuation of the internal combustion engine; and a fuel feeding control means for controlling a ratio of the part of the amount of fuel to be injected to the amount of fuel to be injected so that the amount of torque fluctuation detected by the torque fluctuation detecting means is less than a predetermined amount.Type: GrantFiled: October 23, 1992Date of Patent: July 26, 1994Assignee: Toyota Jidosha Kabushiki KaishaInventor: Souichi Matsushita
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Patent number: 5313920Abstract: A control device for an internal combustion engine having a cylinder and a spark plug, the control device including a fuel feeding unit for feeding fuel into the cylinder, feeding a part of an amount of fuel to be injected during an intake stroke to form an air-fuel premixture, and feeding the remaining part of the amount of fuel to be injected during a compression stroke to form an air-fuel mixture around the spark plug for ignition; a pressure detecting unit for detecting pressure in the cylinder; a combustion state determining unit for determining a combustion state in the cylinder on the basis of the pressure detected by the pressure detecting unit; and a fuel feeding control unit for controlling a ratio of the part of the amount of fuel to be injected to the amount of fuel to be injected on the basis of the result of determination of the combustion state determining unit so that a good state of combustion is obtained.Type: GrantFiled: October 26, 1992Date of Patent: May 24, 1994Assignee: Toyota Jidosha Kabushiki KaishaInventor: Souichi Matsushita
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Patent number: 5301502Abstract: An after-burner system comprises an exhaust passage of an engine, a catalyzer to purify Hydrocarbon and located into the exhaust passage, a temperature sensor located in the catalyzer, a spark gap located in the exhaust passage at an upper stream side of the catalyzer, an ignition plug used for an ignition, and a central controller having an igniting controller controlling an ignition at the ignition plug and an after-burner controller controlling an electric discharge at the spark gap, wherein while the temperature sensor outputs a logical HIGH signal, the electric discharge is generated at the spark gap.Type: GrantFiled: August 31, 1993Date of Patent: April 12, 1994Assignee: Aisin Seiki Kabushiki KaishaInventors: Nobuyuki Oota, Yasutoshi Yamada, Motonobu Akaki, Souichi Matsushita
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Patent number: 5263318Abstract: An after-burner system comprises an exhaust passage of an engine, a catalyzer to purify Hydrocarbon and located into the exhaust passage, a temperature sensor located in the catalyzer, a spark gap located in the exhaust passage at an upper stream side of the catalyzer, an ignition plug used for an ignition, and a central controller having an igniting controller controlling an ignition at the ignition plug and an after-burner controller controlling an electric discharge at the spark gap, wherein while the temperature sensor outputs a logical HIGH signal, the electric discharge is generated at the spark gap.Type: GrantFiled: May 5, 1992Date of Patent: November 23, 1993Assignee: Aisin Seiki Kabushiki KaishaInventors: Nobuyuki Oota, Yasutoshi Yamada, Motonobu Araki, Souichi Matsushita
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Patent number: 5174111Abstract: An exhaust gas purification system for an internal combustion engine includes an engine capable of fuel combustion at lean air-fuel ratios, a catalyst constructed of zeolite carrying at least one kind of metal selected from transition metals and noble metals to reduce NOx under oxidizing conditions and in the presence of HC, engine operating condition detecting means for detecting the current engine operating condition, engine operating range determining means for determining whether or not the current engine operating condition is within an insufficient HC amount range, and an HC amount control means for controlling the amount of HC included in the exhaust gas when the engine operating range determining means determines that the engine operating condition is within the insufficient HC amount range.Type: GrantFiled: July 30, 1991Date of Patent: December 29, 1992Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroshi Nomura, Katsuhiko Hirose, Takeshi Kotani, Souichi Matsushita, Kiyoshi Nakanishi, Eishi Ohno, Kenichi Nomura
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Patent number: 4608956Abstract: An internal combustion engine of a lean burn type, wherein the air-fuel ratio is feedback controlled to a predetermined fixed value which is higher than a theoretical air-fuel ratio. The ignition timing is changed when the air-fuel ratio as detected by a lean sensor is off from the target air-fuel ratio, enabling quick control of the engine when the air-fuel ratio is off from the target air fuel ratio.Type: GrantFiled: November 13, 1984Date of Patent: September 2, 1986Assignee: Toyota Jidosha Kabushiki KaishaInventors: Kenji Katoh, Toshio Yamada, Kenichiro Shindo, Souichi Matsushita, Tokuta Inoue